2004 k2500 "service 4wd" message came on and stays on. checked all wires and all look fine, any ideas what is problem?


Asked by wallfarmer Dec 31, 2012 at 03:06 PM about the 2004 Chevrolet Silverado 2500 4 Dr LT Crew Cab SB

Question type: Maintenance & Repair

1 Answer


The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.

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